Check the normality assumption

Reference no: EM13123859

Biting an un-popped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap popcorn carefully counted 713 kernels and put them in a popper. After popping, the un-popped kernels were counted. There were 89.

(a) Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.

(b) Check the normality assumption.

(d) Why might this sample not be typical?

Reference no: EM13123859

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